7402 Quad 2-Input NOR Gate

Spec Sheet
7402%20Fairch%20real%20pre NTI%20A1

Fairchild

From a photo of a real pre-NTI Apple-1.
7402 PC F, black plastic.
7602 date code.
Total # on board: 1.

7402%20Sig%20real%20NTI%20A1

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number.
Total # on board: 1.

7402%20Fairch%20on%20my%20replica

Fairchild

7402 PC F, black plastic.  7625 date code.  On my Mimeo replica.

7402%20Fairch%207539

Fairchild

7402 PC F, black plastic.  7539 date code.

7402%20Fairch%207529

Fairchild

9N02/7402 PCF.
7529 date code.

7402%20Sig%207604%20with%20S

Signetics

Vertical labeling, black plastic, stretched “S” logo, additional S below part number.  7604 date code.

7402%20Sig%207519

Signetics

Vertical labeling, no added “S”, 7519 date code.

7402%20Sig%207535%20with%20S

Signetics

Vertical labeling, additional S, 7535 date code.

7402%20Sig%207418

Signetics

Vertical labeling, block “S” logo, no added S.  7418 date code.